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690969-91-6

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690969-91-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 690969-91-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,0,9,6 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 690969-91:
(8*6)+(7*9)+(6*0)+(5*9)+(4*6)+(3*9)+(2*9)+(1*1)=226
226 % 10 = 6
So 690969-91-6 is a valid CAS Registry Number.

690969-91-6Relevant academic research and scientific papers

Neighboring lithium-assisted [1,2]-wittig rearrangement: Practical access to diarylmethanol-based 1,4-diols and optically active binol derivatives with axial and sp3-central chirality

Gao, Guang,Gua, Feng-Lei,Jiang, Jian-Xiong,Jiang, Kezhi,Sheng, Chun-Qi,Lai, Guo-Qiao,Xu, Li-Wen

, p. 2698 - 2703 (2011/04/15)

A facile and practical methodology for the synthesis of synthetically useful diarylmethanol-based 1,4-diols and enantiomerically pure BINOL-derived diols with axial and sp3-central chirality has been developed through neighboring lithium-promot

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